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$380+ Cheap flights from Philadelphia (PHL) to Heathrow (LHR)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/20. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — LHR
Nov 5 — Nov 121
1 adult
Tue 11/5
Tue 11/12
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Find cheap flights from Philadelphia to Heathrow with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
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3. Compare prices and book
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The best prices from Philadelphia to London Heathrow are usually found in November or October, booked 10 days in advance, depart on a Tuesday or Sunday and return on a Monday

Cheap flight deals from Philadelphia to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Philadelphia (PHL) to Heathrow (LHR). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated October 31, 2024.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Popular in

June

Cheapest in

November

Round-trip from

$615
(American Airlines)

One-way from

$380
(Kiwi.com)
Provider with most accurate pricing for Philadelphia-London Heathrow flight deals.
Search Deals
Provider most trusted by Cheapflights users for Philadelphia-London Heathrow flights.
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High demand for flights, 25% potential price rise
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Best time to find cheap flights, 19% potential price drop
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From Philadelphia to London Heathrow
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One-way flight from Philadelphia to London Heathrow
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Find flight deals from Philadelphia to Heathrow

Cheapest flights from Philadelphia to Heathrow
Explore the most affordable flight options available from Philadelphia to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 31, 2024.

This JetBlue deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/163:05 pmPHL - LHR
1 stop9h 50mJetBlue
Mon 11/258:25 amLHR - PHL
1 stop16h 20mJetBlue
Deal found 10/31$615
This Mytrip deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/55:10 amPHL - LHR
3 stops21h 00mMultiple Airlines
Sun 12/83:00 pmLHR - PHL
2 stops24h 00mMultiple Airlines
Deal found 10/30$626
This FlightHub deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/133:14 pmPHL - LHR
2 stops19h 46mScandinavian Airlines
Wed 11/206:40 amLHR - PHL
2 stops21h 09mScandinavian Airlines
Deal found 10/29$669
This Flybillet deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flybillet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/253:30 pmPHL - LHR
1 stop10h 40mAir Canada
Wed 12/46:50 amLHR - PHL
2 stops13h 00mAir Canada
Deal found 10/30$685
This American Airlines deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/279:25 pmPHL - LHR
1 stop12h 00mAmerican Airlines
Wed 12/47:50 amLHR - PHL
1 stop13h 35mAmerican Airlines
Deal found 10/30$692
This United Airlines deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/253:30 pmPHL - LHR
1 stop10h 40mUnited Airlines
Fri 12/66:30 amLHR - PHL
2 stops21h 06mUnited Airlines
Deal found 10/30$700
This British Airways deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/249:20 pmPHL - LHR
Nonstop7h 00mBritish Airways
Tue 12/38:25 amLHR - PHL
1 stop13h 00mBritish Airways
Deal found 10/30$714
This Gurufare deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/49:20 pmPHL - LHR
Nonstop7h 00mFinnair
Tue 12/1010:15 amLHR - PHL
Nonstop8h 00mFinnair
Deal found 10/30$715
This Booking.com deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/15:35 pmPHL - LHR
1 stop11h 10mLufthansa
Mon 12/166:30 pmLHR - PHL
1 stop26h 30mLufthansa
Deal found 10/30$743
This Cheapflightsfares deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/26:40 pmPHL - LHR
Nonstop6h 55mIberia
Mon 12/1610:15 amLHR - PHL
Nonstop8h 00mIberia
Deal found 10/31$748
This Expedia deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/155:30 pmPHL - LHR
1 stop9h 35mAer Lingus
Sun 11/179:50 amLHR - PHL
1 stop11h 10mAer Lingus
Deal found 10/31$756
This Delta deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/123:16 pmPHL - LHR
1 stop11h 39mDelta
Fri 12/209:10 amLHR - PHL
2 stops19h 04mDelta
Deal found 10/31$790

Find flights from Philadelphia to Heathrow within your budget

Customize your flight search to find flights from Philadelphia to Heathrow that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,570,725 searches. Data last updated October 31, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

PhiladelphiaLondon

PHL - LHR

PHLLHR

Philadelphia

Wed 11/20

7:30 am-7:30 pm

2 stops31h 00m

$380

PhiladelphiaLondon

PHL - LHR

PHLLHR

Philadelphia

Mon 1/27

9:21 pm-9:20 am

Nonstop6h 59m

$396

PhiladelphiaLondon

PHL - LHR

PHLLHR

Philadelphia

Tue 1/28

3:30 pm-7:10 am

1 stop10h 40m

$399

PhiladelphiaLondon

PHL - LHR

PHLLHR

Philadelphia

Wed 1/1

1:14 pm-7:55 am

1 stop13h 41m

$402

PhiladelphiaLondon

PHL - LHR

PHLLHR

Philadelphia

Mon 1/6

6:35 pm-10:10 am

1 stop10h 35m

$403

PhiladelphiaLondon

PHL - LHR

PHLLHR

Philadelphia

Sun 4/20

8:08 am-5:55 am

1 stop16h 47m

$417

PhiladelphiaLondon

PHL - LHR

PHLLHR

Philadelphia

Tue 12/31

9:15 pm-9:20 am

Nonstop7h 05m

$422

PhiladelphiaLondon

PHL - LHR

PHLLHR

Philadelphia

Thu 1/30

10:45 am-9:20 am

2 stops17h 35m

$429

PhiladelphiaLondon

PHL - LHR

PHLLHR

Philadelphia

Sun 4/20

6:30 pm-6:40 am

Nonstop7h 10m

$434

PhiladelphiaLondon

PHL - LHR

PHLLHR

Philadelphia

Mon 12/2

9:37 am-7:05 am

2 stops16h 28m

$442

Flights are sorted by cheapest first

Deals found on 10/30

Showing 1-10 of 32 results
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Compare providers for flights from Philadelphia to Heathrow

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Philadelphia to Heathrow in October.
ProviderPrice AccuracyTrust Score*Cancellation Policy
ExpediaPrice Accuracy1 starTrust Score*3 starsCancellation PolicyAirline Policy
eDreamsPrice Accuracy3 starsTrust Score*3 starsCancellation PolicyAirline Policy
AranGrantPrice Accuracy3 starsTrust Score*3 starsCancellation PolicyAirline Policy
FlightHubPrice Accuracy3 starsTrust Score*3 starsCancellation PolicyAirline Policy
Justfly.comPrice Accuracy3 starsTrust Score*3 starsCancellation PolicyAirline Policy
business-class.comPrice Accuracy3 starsTrust Score*3 starsCancellation PolicyAirline Policy
ScholarTripPrice Accuracy3 starsTrust Score*3 starsCancellation PolicyAirline Policy
Booking.comPrice Accuracy3 starsTrust Score*3 starsCancellation PolicyAirline Policy
CheapflightsfaresPrice Accuracy3 starsTrust Score*1 starCancellation PolicyAirline Policy
GurufarePrice Accuracy3 starsTrust Score*1 starCancellation PolicyAirline Policy

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Philadelphia-London Heathrow Airport flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Philadelphia-London Heathrow Airport flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Philadelphia-London Heathrow Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Philadelphia-London Heathrow Airport flights, Cheapflights users trust AranGrant the most. AranGrant has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Philadelphia-London Heathrow Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Philadelphia to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Philadelphia with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Philadelphia to Heathrow

Get recent, data-driven insights about flights from Philadelphia to Heathrow including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from Philadelphia to London Heathrow Airport?

Use this chart to determine the optimal time to book a round-trip flight from Philadelphia to Heathrow. Price data was last updated on October 25, 2024.

Booking 10 days in advance of your planned departure date is, on average, the best time to get cheap flights from Philadelphia to London Heathrow Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

Find deals

What is the cheapest month to book a flight from Philadelphia to London Heathrow Airport?

Currently, November is the cheapest month in which you can book a flight from Philadelphia to London Heathrow Airport (average of $649). Flying from Philadelphia to London Heathrow Airport in June is currently the most expensive (average of $1,089). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from PHL to LHR?

Find hourly flight availability from Philadelphia to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 31, 2024.

A simple way to save on the total cost of your ticket is to fly from Philadelphia to London Heathrow Airport at noon. If you’re flexible enough to do this you can expect to save up to 9% on your trip compared to booking a flight in the morning.

What is the cheapest day to fly from Philadelphia to London Heathrow Airport?

Use this chart to determine the cheapest time to fly round-trip from Philadelphia to Heathrow. Price data was last updated on October 27, 2024.

Travelers seeking maximum savings on their Philadelphia to London Heathrow Airport flight should consider departing on Saturday at noon when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Find deals

Rainfall in Heathrow by month

Plan your trip to Heathrow by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in London Heathrow Airport ranges from 1.6 - 2.8 inches per month. January is typically the wettest month, when rainfall can reach 2.8 in. July is typically the driest time to visit London Heathrow Airport when rainfall is around 1.6 in.

Temperature in Heathrow by month

Plan your trip to Heathrow by taking into account the average temperature totals by month.

If weather is an important factor for your trip to London Heathrow Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).

Reviews of airlines servicing Heathrow

Get insights into the airlines that provide service to Heathrow. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Heathrow. Reviews last updated October 31, 2024.
Get a feel of what it's like to fly with American Airlines, TAP AIR PORTUGAL and Iberia from Philadelphia to London by reading reviews from past customers. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,835 reviews

Overall

8.0

Comfort

7.9

Food

7.3

Boarding

8.2

Entertainment

7.9

Crew

8.5

Reviews

1 / 10

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.

Delta
8.0
Very good
8,835 reviews
Delta
8.0
Very good
8,835 reviews

Overall

8.0

Comfort

7.9

Food

7.3

Boarding

8.2

Entertainment

7.9

Crew

8.5

Reviews

1 / 10

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.

KLM
7.8
Good
1,352 reviews
Delta
8.0
Very good
8,835 reviews

Overall

8.0

Comfort

7.9

Food

7.3

Boarding

8.2

Entertainment

7.9

Crew

8.5

Reviews

1 / 10

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.

Finnair
7.7
Good
1,318 reviews
Delta
8.0
Very good
8,835 reviews

Overall

8.0

Comfort

7.9

Food

7.3

Boarding

8.2

Entertainment

7.9

Crew

8.5

Reviews

1 / 10

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.

SWISS
7.6
Good
1,644 reviews
Delta
8.0
Very good
8,835 reviews

Overall

8.0

Comfort

7.9

Food

7.3

Boarding

8.2

Entertainment

7.9

Crew

8.5

Reviews

1 / 10

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.

Virgin Atlantic
7.6
Good
666 reviews
Delta
8.0
Very good
8,835 reviews

Overall

8.0

Comfort

7.9

Food

7.3

Boarding

8.2

Entertainment

7.9

Crew

8.5

Reviews

1 / 10

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.

Related info for your journey

Find useful and relevant information for your journey from Philadelphia to Heathrow. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Philadelphia to London Heathrow?

    Located just 7.0 mi from the city center, Philadelphia is the airport most travelers will use when flying to London Heathrow from Philadelphia. Booking flights from Philadelphia (PHL) to London Heathrow should be relatively easy as there are 8 daily outbound flights to London Heathrow from 11 different airlines.

  • Can I find flights from Philadelphia to London Heathrow Airport for under $700 on Cheapflights?

    Yes, there are multiple flights from Philadelphia to London Heathrow Airport for under $700. The cheapest flight booked recently is on American Airlines for just $615, but on average you can expect to pay $667.

  • Are there nonstop flights from Philadelphia to London Heathrow Airport for under $700 on Cheapflights?

    Cheapflights has at least 5 direct flights from Philadelphia to London Heathrow Airport under $700. A good price for a nonstop flight from Philadelphia to London Heathrow Airport is less than $689.

  • Are there last-minute flights available from Philadelphia to London Heathrow Airport for under $700?

    There are currently 13+ open flights from Philadelphia to London Heathrow Airport within the next 7 days for less than $700.

  • What days are nonstop flights available from Philadelphia to London Heathrow Airport?

    Nonstop flights can be found on the following days: Sunday, Saturday.

  • How many flights depart from Philadelphia to London Heathrow Airport on average per day?

    On average 5 flights depart from Philadelphia to London Heathrow Airport per day.
    Evening (6pm - Midnight) - 100% of flight departures

  • How long is the flight from Philadelphia to London Heathrow Airport?

    American Airlines, British Airways, and JetBlue can get you from Philadelphia to London Heathrow Airport in just under 6h 55m. Your travel time can differ by up to 7h 01m. Philadelphia and London Heathrow Airport are separated by a distance of 3555 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from Philadelphia to London Heathrow Airport round-trip?

    According to our current data, American Airlines ($615), British Airways ($616), and JetBlue ($619) offers the cheapest pricing from Philadelphia to London Heathrow Airport. You may be able to fly from Philadelphia to London Heathrow Airport for 28% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Philadelphia to London Heathrow Airport one-way?

    The cheapest airline one-way is Iberia, with whom users have recently found tickets for as low as $396. However, be on the lookout for offers from United Airlines and KLM, as they are both options that can get you from Philadelphia to London Heathrow Airport for a low price.

  • What are the most reliable airlines from Philadelphia to London Heathrow Airport?

    Consider Malaysia Airlines (72%), American Airlines (68%) or Finnair (68%) when booking your flight. These represent the most reliable airlines when flying from Philadelphia to London Heathrow Airport.

  • What are the cheapest flights from Philadelphia to London Heathrow Airport?

    Looking for the cheapest flight from Philadelphia to London Heathrow Airport? While on average our users pay $1,849, our data indicates the cheapest price to be $388. The most popular route (Philadelphia - London Heathrow), is priced around $486.

  • What does PHL to LHR mean?

    This is defined as Philadelphia Airport (PHL) and London Heathrow Airport (LHR). Codes like London Heathrow Airport are often used to just call airports uniquely.

  • Can I find deals for flights from Philadelphia to Heathrow that include extra baggage allowance?

    The amount of baggage you can bring on your Philadelphia to Heathrow flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Philadelphia to Heathrow with specific airlines?

    Yes, Cheapflights allows you to browse and filter Philadelphia to Heathrow flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from Philadelphia to Heathrow that include hotel bookings?

    Yes. In addition to deals on Philadelphia to Heathrow flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Philadelphia to Heathrow?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Philadelphia to Heathrow.

  • Can I find deals for business class flights from Philadelphia to Heathrow?

    Yes. Cheapflights offers flight deals from Philadelphia to Heathrow by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from Philadelphia to Heathrow that allow pets onboard?

    Many airlines flying from Philadelphia to Heathrow offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Philadelphia to Heathrow?

    Yes, you can often find last-minute deals on Philadelphia to Heathrow flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Philadelphia to London Heathrow Airport flight deals updated?

    The Philadelphia to London Heathrow Airport flight deals you see on this page were last updated on 10/31.

  • What is the cheapest month to book a flight from Philadelphia to London Heathrow Airport?

    Currently, November is the cheapest month in which you can book a flight from Philadelphia to London Heathrow Airport (average of $649). Flying from Philadelphia to London Heathrow Airport in June is currently the most expensive (average of $1,089). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Philadelphia to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.
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Top 10 airlines flying from Philadelphia to Heathrow

Discover the top 10 airlines that operate flights from Philadelphia to Heathrow. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,570,725 searches. Data last updated October 31, 2024.
AirlineCheapestAverageFlexibilityOn-time
Virgin AtlanticCheapest$514Average$766FlexibilityNo cancel feeOn-time72%
LufthansaCheapest$525Average$987FlexibilityNo cancel feeOn-time76%
Air CanadaCheapest$529Average$817FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$594Average$876FlexibilityNo cancel feeOn-time71%
DeltaCheapest$596Average$950FlexibilityNo cancel feeOn-timeN/A
FinnairCheapest$598Average$862FlexibilityNo cancel feeOn-time76%
IberiaCheapest$615Average$803FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$624Average$856FlexibilityNo cancel feeOn-time70%
Aer LingusCheapest$632Average$872FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$633Average$837FlexibilityNo cancel feeOn-time62%
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